Yes, but you can't buy them. It is possible for a homeowner,
but you are not allowed to repair Corian.
Corian only allows certified Corian installers to work with
Corian. A person without this Certification cannot buy raw
Corian or any of the products to work on it (at least not from
a Corian supplier).
I get around this by having a friend that works at a
countertop place that does Corian (among many other brands).
When I need to do a small project he will give me the adhesive
to do it (he can't sell it to me). You could try to cultivate
a friend like that, but it may be a slow process.
In addition, if anyone other than a Corian technician works on
your Corian, the warranty is void.
Is the crack stable? If it expands/contracts with temperature humidity
changes, it is going to be difficult to fix and keep from recracking. Make
sure the top is securely mounted and the cabinets underneath don't move when
you lean on them, open and shut drawers etc before repairing.
Probably can be "fixed" by an epoxyed mix with Corian dust in it to match
the top, then polishing. I would let someone experience fix it.
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